đź›’
Lifestyle

Best Costco Buys That Justify the Membership

The bulk bargains that actually pay for your $65 card

A Costco membership pays for itself in 2-3 trips if you're strategic—skip the rotisserie chicken and load up on these.
đź‘‘ #1 Pick

Kirkland Organic Eggs (5 dozen)

Half the price of grocery store organic, legitimately free-range

All 5 recommendations

Est. prices as of Mar 1, 2026

#1 · Kirkland Signature · Best Value

Kirkland Organic Eggs (5 dozen)

$12.99

Half the price of grocery store organic, legitimately free-range

  • âś“ 24-cent per egg vs. 50+ cents elsewhere
  • âś“ Genuinely organic certification
  • âś“ Fresh longer than competitors
  • âś— Requires refrigerator space for bulk storage
#2 · Costco · Hidden Gem

Executive Membership Cash Back

$130/year

2% back on everything—the membership that pays dividends

  • âś“ 2% rewards on all purchases above membership fee
  • âś“ Gas discount stacks on top (usually 20-30 cents/gallon)
  • âś“ Free household card included
  • âś— Requires $130 upfront vs. $65 Gold
  • âś— Rewards capped at $1,000/year (requires $50k spending)
#3 · Kirkland Signature · Crowd Favorite

Kirkland Vitamins & Supplements Variety

$18-28

Pharmacy-grade supplements at Trader Joe's prices

  • âś“ Third-party tested, USP verified
  • âś“ 90-180 day supplies vs. 30-day bottles elsewhere
  • âś“ Returns accepted anytime, no questions
  • âś— Limited to in-stock items; selection rotates seasonally
#4 · Costco Optical · Premium Pick

Costco Optical Glasses & Contacts

$60-150

Designer frames at 60% off mall prices, no insurance needed

  • âś“ Frames 2-3x cheaper than LensCrafters or Warby Parker
  • âś“ No membership required for optical
  • âś“ Free adjustments and repairs
  • âś— Selection smaller than full-service optometrists
  • âś— Must get exam done at Costco location
#5 · Costco

Costco Gas Station

20-35¢ cheaper per gallon

The membership pays for itself in gas savings alone if you drive

  • âś“ Consistently 20-35 cents cheaper than Shell/Chevron
  • âś“ Top-tier detergents included
  • âś“ 24/7 access with card
  • âś— Lines on weekends can be brutal
  • âś— Limited pump availability at busy locations
  • âś— Gold members get smaller discount than Executive